package com.mh.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.extension.api.R;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.mh.common.QueryPageParam;
import com.mh.common.Result;
import com.mh.entity.Goods;
import com.mh.entity.Record;
import com.mh.entity.RecordRes;
import com.mh.service.GoodsService;
import com.mh.service.RecordService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RestController;

import java.util.HashMap;

/**
 * <p>
 *  前端控制器
 * </p>
 *
 * @author wms
 * @since 2022-12-03
 */
@RestController
@RequestMapping("/record")
public class RecordController {
    
    @Autowired
    private RecordService recordService;
    @Autowired
    private GoodsService goodsService;
    //分页查询
    @PostMapping("/listPage")
    public Result listPage(@RequestBody QueryPageParam queryPageParam){
        HashMap param = queryPageParam.getParam();

        String  name = (String) param.get("name");
        String  storage = (String) param.get("storage");
        String  goodsType = (String) param.get("goodsType");
        String  roleId = (String) param.get("roleId");
        String  userId = (String) param.get("userId");




        Page<Record> page=new Page<>();
        page.setCurrent(queryPageParam.getPageNum());
        page.setSize(queryPageParam.getPageSize());
        QueryWrapper<Record> queryWrapper=new QueryWrapper<>();
        queryWrapper.apply(" a.goods=b.id and b.storage=c.id and b.goodsType=d.id");
        if("2".equals(roleId)){
            queryWrapper.apply("a.userId="+userId);
        }
        if(StringUtils.isNotBlank(name)&&!"null".equals(name)){
            queryWrapper.like("b.name",name);
        }
        if(StringUtils.isNotBlank(storage)&&!"null".equals(storage)){
            queryWrapper.eq("c.id",storage);
        }
        if(StringUtils.isNotBlank(goodsType)&&!"null".equals(goodsType)){
            queryWrapper.eq("d.id",goodsType);
        }

        IPage result = recordService.pageMy(page, queryWrapper);
        return Result.suc(result.getRecords(),result.getTotal());
    }

    //新增
    @PostMapping("/save")
    public Result save(@RequestBody Record record){
        Goods goods=goodsService.getById(record.getGoods());
        int n=record.getCount();
        if("2".equals(record.getAction())){
            //如果为2则是出库
            n=-n;
            record.setCount(n);
        }

        int num=goods.getCount()+n;
        goods.setCount(num);
        goodsService.updateById(goods);

        return recordService.save(record)?Result.suc():Result.fail();
    }
}
